* raid0 and discard/trim - current state? @ 2010-10-09 17:21 DagB 2010-10-09 18:34 ` DagB 0 siblings, 1 reply; 4+ messages in thread From: DagB @ 2010-10-09 17:21 UTC (permalink / raw) To: linux-lvm, linux-raid, dm-devel Hi. I wonder about the current state of affairs regarding striping over multiple SSDs. Found this thread: http://marc.info/?t=126787186000002&r=1&w=2 but nothing after that. Was this problem to hard to handle? Dag B ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: raid0 and discard/trim - current state? 2010-10-09 17:21 raid0 and discard/trim - current state? DagB @ 2010-10-09 18:34 ` DagB 2010-10-12 20:57 ` [linux-lvm] " Mike Snitzer 0 siblings, 1 reply; 4+ messages in thread From: DagB @ 2010-10-09 18:34 UTC (permalink / raw) To: linux-lvm, linux-raid, dm-devel On 10/09/2010 07:21 PM, DagB wrote: > Hi. > > I wonder about the current state of affairs regarding striping over > multiple SSDs. > > Found this thread: > http://marc.info/?t=126787186000002&r=1&w=2 > > but nothing after that. Was this problem to hard to handle? > Bad form to reply to self. More googling finally turned up this commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8357422d4bf33bc2c35884d4016c3fc9efbbc1d2 So I'll be ordering 2 SSDs. Dag B ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: raid0 and discard/trim - current state? 2010-10-09 18:34 ` DagB @ 2010-10-12 20:57 ` Mike Snitzer 0 siblings, 0 replies; 4+ messages in thread From: Mike Snitzer @ 2010-10-12 20:57 UTC (permalink / raw) To: DagB; +Cc: linux-raid, dm-devel, linux-lvm On Sat, Oct 9, 2010 at 2:34 PM, DagB <dag@bakke.com> wrote: > On 10/09/2010 07:21 PM, DagB wrote: >> Hi. >> >> I wonder about the current state of affairs regarding striping over >> multiple SSDs. >> >> Found this thread: >> http://marc.info/?t=126787186000002&r=1&w=2 >> >> but nothing after that. Was this problem to hard to handle? >> > > Bad form to reply to self. > > More googling finally turned up this commit: > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8357422d4bf33bc2c35884d4016c3fc9efbbc1d2 To be clear: DM's striped target does support discards. MD's raid0 (or any MD raid level) does not. ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [linux-lvm] raid0 and discard/trim - current state? @ 2010-10-12 20:57 ` Mike Snitzer 0 siblings, 0 replies; 4+ messages in thread From: Mike Snitzer @ 2010-10-12 20:57 UTC (permalink / raw) To: DagB; +Cc: linux-raid, dm-devel, linux-lvm On Sat, Oct 9, 2010 at 2:34 PM, DagB <dag@bakke.com> wrote: > On 10/09/2010 07:21 PM, DagB wrote: >> Hi. >> >> I wonder about the current state of affairs regarding striping over >> multiple SSDs. >> >> Found this thread: >> http://marc.info/?t=126787186000002&r=1&w=2 >> >> but nothing after that. Was this problem to hard to handle? >> > > Bad form to reply to self. > > More googling finally turned up this commit: > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8357422d4bf33bc2c35884d4016c3fc9efbbc1d2 To be clear: DM's striped target does support discards. MD's raid0 (or any MD raid level) does not. ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2010-10-12 20:57 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2010-10-09 17:21 raid0 and discard/trim - current state? DagB 2010-10-09 18:34 ` DagB 2010-10-12 20:57 ` Mike Snitzer 2010-10-12 20:57 ` [linux-lvm] " Mike Snitzer
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.